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Keflavik Intl

$286+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$488
(FlightHub)

One-way from

$286
(Kiwi.com)

Popular in

October

Cheapest in

December

Average price

$645
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
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One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 31% potential increase in price ($386 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($108 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:10 amDCA - KEF
2 stops31h 45mScandinavian Airlines
Mon 11/1711:30 amKEF - DCA
2 stops40h 26mScandinavian Airlines
Deal found 9/14$488
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:10 amDCA - KEF
2 stops31h 45mScandinavian Airlines
Fri 11/1411:30 amKEF - DCA
2 stops40h 26mScandinavian Airlines
Deal found 9/14$518
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:40 pmDCA - KEF
2 stops30h 15mScandinavian Airlines
Wed 12/311:30 amKEF - DCA
2 stops41h 28mScandinavian Airlines
Deal found 9/14$522
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:10 amDCA - KEF
2 stops23h 15mScandinavian Airlines
Wed 12/107:35 amKEF - DCA
2 stops20h 17mScandinavian Airlines
Deal found 9/14$548
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:00 pmDCA - KEF
2 stops28h 55mScandinavian Airlines
Mon 12/87:35 amKEF - DCA
2 stops21h 23mScandinavian Airlines
Deal found 9/14$552
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:10 amDCA - KEF
2 stops31h 45mScandinavian Airlines
Sat 11/227:50 amKEF - DCA
2 stops20h 06mScandinavian Airlines
Deal found 9/14$558
This Gurufare deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:05 amDCA - KEF
2 stops37h 45mScandinavian Airlines
Wed 10/225:10 pmKEF - DCA
2 stops33h 54mScandinavian Airlines
Deal found 9/14$572
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:10 amDCA - KEF
2 stops23h 15mScandinavian Airlines
Fri 12/1211:30 amKEF - DCA
2 stops40h 22mScandinavian Airlines
Deal found 9/15$582
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:30 amDCA - KEF
2 stops26h 55mScandinavian Airlines
Thu 12/411:30 amKEF - DCA
2 stops40h 22mScandinavian Airlines
Deal found 9/14$588
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:40 pmDCA - KEF
2 stops36h 40mMultiple Airlines
Tue 12/23:20 pmKEF - DCA
2 stops35h 36mMultiple Airlines
Deal found 9/15$589
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:30 amDCA - KEF
2 stops26h 55mScandinavian Airlines
Wed 12/311:30 amKEF - DCA
2 stops41h 28mScandinavian Airlines
Deal found 9/14$592
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:00 pmDCA - KEF
1 stop16h 30mUnited Airlines
Mon 9/229:50 amKEF - DCA
2 stops30h 09mUnited Airlines
Deal found 9/14$595

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 10/24

6:05 am-10:45 am

2 stops48h 40m

Reykjavik Keflavik Intl

Thu 11/6

11:30 am-11:02 pm

2 stops40h 32m

$592

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 9/27

5:50 pm-9:30 am

1 stop11h 40m

Reykjavik Keflavik Intl

Wed 10/8

8:45 am-10:59 pm

1 stop18h 14m

$598

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 9/29

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Mon 10/6

11:25 am-6:00 pm

1 stop10h 35m

$598

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 9/29

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Mon 10/6

11:25 am-11:04 pm

1 stop15h 39m

$598

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 9/29

12:30 pm-6:20 am

1 stop13h 50m

Reykjavik Keflavik Intl

Wed 10/8

8:45 am-10:59 pm

1 stop18h 14m

$598

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 9/30

12:30 pm-9:30 am

2 stops17h 00m

Reykjavik Keflavik Intl

Tue 10/7

11:25 am-9:43 pm

2 stops14h 18m

$603

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 10/24

6:05 am-10:45 am

2 stops48h 40m

Reykjavik Keflavik Intl

Wed 11/5

11:30 am-11:02 pm

2 stops40h 32m

$622

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 11/27

12:40 pm-11:55 pm

2 stops30h 15m

Reykjavik Keflavik Intl

Mon 12/1

11:30 am-11:58 pm

2 stops41h 28m

$707

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 10/28

3:00 pm-10:45 am

2 stops15h 45m

Reykjavik Keflavik Intl

Tue 11/4

7:35 am-10:07 pm

2 stops19h 32m

$716

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 9/25

4:35 pm-8:10 am

1 stop11h 35m

Reykjavik Keflavik Intl

Wed 10/1

9:30 am-9:58 am

2 stops28h 28m

$736

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
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Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport, such as Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
544 reviews

Crew

8.0

Overall

7.0

Boarding

7.2

Entertainment

7.0

Comfort

6.9

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
544 reviews
Icelandair
7.0
Good
544 reviews

Crew

8.0

Overall

7.0

Boarding

7.2

Entertainment

7.0

Comfort

6.9

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Scandinavian Airlines, Delta, and KLM fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 11h 40m. The time it takes to get you to your destination can typically vary by up to 37h. Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $355, Icelandair will fly you from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. You may be able to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport for 57% less than the average price by searching for this airline.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $656). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Top airline flying from Reagan-National to Keflavik Intl

Discover the top airline that operate flights from Reagan-National to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$467FlexibilityNo cancel feeOn-time76%

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